2006-08-09 Paul Eggert <eggert@cs.ucla.edu>
+ * src/dd.c (usage): Warn about oflag=append without conv=notrunc.
+ See Debian bug 373736.
+
* src/dircolors.hin: Add mlterm, rxvt-unicode; this fixes Debian
bug 317503.
+2006-08-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ * coreutils.texi (dd invocation): Warn about oflag=append without
+ conv=notrunc. See Debian bug 373736.
+
2006-08-08 Paul Eggert <eggert@cs.ucla.edu>
* coreutils.texi (shuf invocation, Random sources): New sections.
Write in append mode, so that even if some other process is writing to
this file, every @command{dd} write will append to the current
contents of the file. This flag makes sense only for output.
+If you combine this flag with the @samp{of=@var{file}} operand,
+you should also specify @samp{conv=notrunc} unless you want the
+output file to be truncated before being appended to.
@item direct
@opindex direct
\n\
Each FLAG symbol may be:\n\
\n\
- append append mode (makes sense only for output)\n\
+ append append mode (makes sense only for output; conv=notrunc suggested)\n\
"), stdout);
if (O_DIRECT)
fputs (_(" direct use direct I/O for data\n"), stdout);